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-rw-r--r--kernel/features/load.c37
1 files changed, 17 insertions, 20 deletions
diff --git a/kernel/features/load.c b/kernel/features/load.c
index 31e22dc..ec9a387 100644
--- a/kernel/features/load.c
+++ b/kernel/features/load.c
@@ -6,45 +6,42 @@
#include <mm.h>
#include <str.h>
-// TODO: Fix pdi < 256!
-#define PROC_DATA_ADDR 0xc000000
-
#define PROC_STACK_SIZE 0x4000
-#define PROC_STACK_ADDR (PROC_DATA_ADDR - 256)
-void proc_load(struct proc *proc, u32 entry)
+/*void proc_load(struct proc *proc, u32 entry)
{
- /* memory_dir_switch(proc->page_dir); */
- u32 paddr = physical_alloc(PROC_STACK_SIZE);
- virtual_map(proc->page_dir, PROC_STACK_ADDR, paddr, PROC_STACK_SIZE,
- MEMORY_USER | MEMORY_CLEAR);
+ u32 stack = (u32)memory_alloc(proc->page_dir, PROC_STACK_SIZE, MEMORY_USER | MEMORY_CLEAR);
- proc->regs.ebp = PROC_STACK_ADDR;
- proc->regs.useresp = PROC_STACK_ADDR;
+ proc->regs.ebp = stack;
+ proc->regs.useresp = stack;
proc->regs.eip = entry;
proc->entry = entry;
-}
+}*/
int bin_load(const char *path, struct proc *proc)
{
struct stat s = { 0 };
vfs_stat(path, &s);
struct proc *current = proc_current();
- struct page_dir *prev = current ? current->page_dir : memory_kernel_dir();
+ struct page_dir *prev = current ? current->page_dir : virtual_kernel_dir();
u32 size = PAGE_ALIGN_UP(s.size);
- memory_dir_switch(proc->page_dir);
- u32 paddr = physical_alloc(size);
- virtual_map(proc->page_dir, PROC_DATA_ADDR, paddr, size, MEMORY_USER | MEMORY_CLEAR);
+ memory_switch_dir(proc->page_dir);
+ u32 data = (u32)memory_alloc(proc->page_dir, size, MEMORY_USER | MEMORY_CLEAR);
- if (!vfs_read(path, (void *)PROC_DATA_ADDR, 0, s.size)) {
- memory_dir_switch(prev);
+ if (!vfs_read(path, (void *)data, 0, s.size)) {
+ memory_switch_dir(prev);
return 1;
}
strcpy(proc->name, path);
- proc_load(proc, PROC_DATA_ADDR);
- memory_dir_switch(prev);
+ u32 stack = (u32)memory_alloc(proc->page_dir, PROC_STACK_SIZE, MEMORY_USER | MEMORY_CLEAR);
+ proc->regs.ebp = stack;
+ proc->regs.useresp = stack;
+ proc->regs.eip = data;
+ proc->entry = data;
+
+ memory_switch_dir(prev);
return 0;
}